Environmental Sciences Europe

Table 7 Threshold regression results

From: Threshold effects of environmental regulation types on green investment by heavily polluting enterprises

Model 1		Model 2		Model 3
Variable	Single threshold model	Variable	Single threshold model	Variable	Fixed effect
CCR (CCR ≤ 2.53)	1.534***	MIR (MIR ≤ 27.18)	0.073**	IER	0.313***
CCR (CCR > 2.53)	−0.169***	MIR (MIR > 27.18)	1.313**
IO	0.056**	IO	0.054**	IO	0.027*
FL	0.012*	FL	0.007*	FL	−0.122
ROA	0.064*	ROA	0.032*	ROA	0.068
CH	0.003	Cash	0.003	Cash	0.002*
CF	0.011	CF	0.014**	CF	0.071*
Cons	0.715***	Cons	0.657***	Cons
R²(within)	0.233	R²(within)	0.273	R²(within)

***, **, and * denote that the regression outcomes are significant at 1%, 5%, and 10%

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